Home / 20,795.22-28,697.36-11,363.85

Finding the Fourth Proportional to 20,795.22, 28,697.36 and 11,363.85

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Solution

The fourth proportional to 20,795.22, 28,697.36 and 11,363.85 is: 15,682.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,795.22 : 28,697.36 = 11,363.85 : x
  2. Step 2: Convert to fraction form
    20,795.22/28,697.36 = 11,363.85/x
  3. Step 3: Cross multiply
    20,795.22x = 28,697.36 × 11,363.85
  4. Step 4: Simplify right side
    20,795.22x = 326,112,437.62
  5. Step 5: Solve for x
    x = 326,112,437.62/20,795.22
  6. Step 6: Final answer
    x = 15,682.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.